On line base64 tool address is http://tool.oschina.net/encrypt?type=3 Key-Value about jack@hotmail.com:123456,its base64 value is ： amFja0Bob3RtYWlsLmNvbToxMjM0NTY= for user jack sign in to pass Basic Authenctiaction,we'll get a book record(id = 3)